⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Effingham County

Effingham County, Illinois: well depth, yield & drilling cost

✓ 2,812 ISGS records · verified 2026-08-20

46 ftmedian well depth
35 ft–85 fttypical depth range
5 gpmmedian yield (601 tests)

How deep are wells in Effingham County, Illinois?

The median drilled well depth in Effingham County is 46 ft, based on 2,806 wells with recorded depths in the state ISGS database. Half of all wells fall between 35 ft and 85 ft; 90% are shallower than 160 ft. Wells drilled since 2016 have a median depth of 68 ft.

How much does it cost to drill a well in Effingham County?

Applying published per-foot rates to the local median depth of 68 ft: drilling and casing alone typically runs $1,700–$4,420; a complete system including pump, pressure tank, and hookup typically runs $4,080–$6,800. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Effingham County?

Few static water level measurements are recorded for this county.

How much water do wells in Effingham County produce?

The median tested yield is 5 gpm (middle half: 1 gpm–10 gpm), from 601 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 1,490 50–100 ft 701 100–150 ft 256 150–200 ft 281 200–300 ft 64 300–400 ft 5 400–600 ft 1 600+ ft 8

Who drills wells in Effingham County?

Companies and licensed drillers by number of wells logged in this county, per records filed with the Illinois State Geological Survey.

DrillerWells since 2016
Haake, Ralph9
Baker, J. Curtis5
Mumma, Richard3
Skinner, Todd3
Kohnen, Clarence2
Kohnen Concrete Products1

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Method: medians computed from ISGS records (ISGS water wells; engineering, mineral and stratigraphic test borings, mine shafts, outcrops and monitoring wells are excluded, as are wells the survey records as plugged; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.